28123250

素因数分解:

$2^1\times 5^3\times {\mathrm{23}}^1\times {\mathrm{67}}^1\times {\mathrm{73}}^1$

素因数の和:180

約数の個数: 64

約数和(自身を含む): 56519424

約数和(自身を除く): 28396174

約数列:

[1, 2, 5, 10, 23, 25, 46, 50, 67, 73, 115, 125, 134, 146, 230, 250, 335, 365, 575, 670, 730, 1150, 1541, 1675, 1679, 1825, 2875, 3082, 3350, 3358, 3650, 4891, 5750, 7705, 8375, 8395, 9125, 9782, 15410, 16750, 16790, 18250, 24455, 38525, 41975, 48910, 77050, 83950, 112493, 122275, 192625, 209875, 224986, 244550, 385250, 419750, 562465, 611375, 1124930, 1222750, 2812325, 5624650, 14061625, 28123250]

約数ペア:

[(1, 28123250), (2, 14061625), (5, 5624650), (10, 2812325), (23, 1222750), (25, 1124930), (46, 611375), (50, 562465), (67, 419750), (73, 385250), (115, 244550), (125, 224986), (134, 209875), (146, 192625), (230, 122275), (250, 112493), (335, 83950), (365, 77050), (575, 48910), (670, 41975), (730, 38525), (1150, 24455), (1541, 18250), (1675, 16790), (1679, 16750), (1825, 15410), (2875, 9782), (3082, 9125), (3350, 8395), (3358, 8375), (3650, 7705), (4891, 5750)]